Official NHA Assessment

Race 2: RACING TODAY MAIDEN PLATE (For all Maidens. R15 000 Win bonus ROA Members)

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Line Horse
Welsh Starlet
Reference for assessment
Exact Matches
0 / 7
Calculated = Official
Close Matches
1 / 7
Within 2 points
Significant Diffs
5 / 7
More than 5 points
Detailed Assessment
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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
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1    A Month Of Sundays   4    56.5    1    0.00     2.0   57    67           63    +6
2    Ono No Komachi       3    56.5    2    4.25     5.0   70    63           63    -7
3    Welsh Starlet        3    56.5    3    9.00     5.0   61    61           61    +0
4    Cheap Thrills        4    56.5    4    9.25     2.0   51    67           67    +16
5    Accumulate           4    56.5    5    15.50    2.0   55    67           67    +12
6    Take A Mulligan      4    60.0    6    34.75    2.0   54    74           74    +20
7    Master Wizard        3    60.0    7    99.99    5.0   60    68           68    +8
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 A Month Of Sundays 57 55 63 -8 2.0 -
2 Ono No Komachi 70 66 63 +3 5.0 -
3 Welsh Starlet Line 61 63 61 +2 5.0
4 Cheap Thrills 51 56 67 -11 2.0 -
5 Accumulate 55 50 67 -17 2.0 -
6 Take A Mulligan 54 50 74 -24 2.0 -
7 Master Wizard 60 58 68 -10 5.0 -
Assessment Methodology
Calculation Steps:
  1. Identify Line Horse - consistent performer used as reference
  2. Calculate WFA Allowance based on age, distance, and month
  3. Apply Drag Adjustment for beaten margin
  4. Calculate Actual Weight Performance:
    Weight - Drag - WFA
  5. Compare to Line Horse to determine race rating
  6. Apply special rules (maiden caps, layoff allowance)
Key Formulas:
  • Drag Effect: Varies by distance (see Benchmarks page)
  • 1 length ≈ 1kg at 1 mile (1600m)
  • WFA Scale: Based on Admiral Rous's 1855 table
  • Rating Points: 1kg = 2 rating points